Product description

The Wossner Piston Kit For Yamaha SR 500 1978-1989 +1.00 mm is part of the latest collection from Wossner.

Features:

• In-house designed and manufactured; all forgings are produced in Wössner’s company-owned forging operation
• 4-stroke pistons are made using a double-bridged forging design
• Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
• Standard and oversize pistons for most models, with high compression ratios available for 4-stroke applications
• All piston skirts are supplied with a Moly coating to reduce friction and assist in break in
• All piston kits include piston, ring, wrist pin and pin locks
• Wössner piston kits are used by leading Supercross, Arenacross and MX GP teams

Specifications:

• Bore - Oversize: +1.00 mm
• Compression Ratio: 10.0
• Engine Type: 4-Stroke
• Piston Material: Forged| Steel
• Product Name: Piston Kit
• Ring Material: Cast| Steel
• Skirt Coating: Moly Coated
• Stroke Length: 84.00 mm
• Style: Performance Replacement
• Type: Replacement Forged Piston
• Units: Kit

To fit:

• YAMAHA SR 500 1978 European Models
• YAMAHA SR 500 1979 European Models
• YAMAHA SR 500 1980 European Models
• YAMAHA SR 500 1981 European Models
• YAMAHA SR 500 1982 European Models
• YAMAHA SR 500 1983 European Models
• YAMAHA SR 500 1984 European Models
• YAMAHA SR 500 1985 European Models
• YAMAHA SR 500 1986 European Models
• YAMAHA SR 500 1987 Disc Brake European Models
• YAMAHA SR 500 1988 Disc Brake European Models
• YAMAHA SR 500 1988 Drum Brake European Models
• YAMAHA SR 500 1989 Disc Brake European Models
• YAMAHA SR 500 1989 Drum Brake European Models
• YAMAHA XT 500 1976 European Models
• YAMAHA XT 500 1977 European Models
• YAMAHA XT 500 1978 European Models
• YAMAHA XT 500 1979 European Models
• YAMAHA XT 500 1980 European Models
• YAMAHA XT 500 1981 European Models
• YAMAHA XT 500 1982 European Models
• YAMAHA XT 500 1983 European Models
• YAMAHA XT 500 1984 European Models
• YAMAHA XT 500 1985 European Models
• YAMAHA XT 500 1986 European Models
• YAMAHA XT 500 1987 European Models
• YAMAHA XT 500 1988 European Models
• YAMAHA XT 500 1989 European Models

Manufacturer part number: 8505D100

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Contents

Your package will include the following:

• 1 X Wossner Piston Kit For Yamaha SR 500 1978-1989 +1.00 mm